Information processing apparatus, information processing method, and program

Abstract

An information processing apparatus includes a pressure detecting unit for detecting a magnitude of a contacting pressure of a contacted object with respect to an input device operated when physically contacted by the contacted object; and a changing unit for changing a display region displayed on a display device of predetermined information to be displayed on the display device according to an output signal output from the input device at a speed corresponding to the magnitude of the contacting pressure detected by the pressure detecting unit.

What is claimed is: 
     
       1. An information processing apparatus comprising:
 circuitry configured to: 
 execute a map application; 
 detect a magnitude of a contacting pressure of a contacted object with respect to an input device operated when physically contacted by the contacted object; 
 detect positions pointed by the contacted object with respect to the input device; 
 change a display region displayed on a display device of the map application to be displayed on the display device by either scrolling the display region, or changing a display magnification of the map application by either enlarging or reducing the display magnification based on the pointed positions; 
 change a speed of either scrolling the display region, or changing the display magnification according to the magnitude of the contacting pressure; 
 detect a predetermined magnification pattern formed by a predetermined movement trajectory comprised of a plurality of continuous different positions of the contacted object detected by the circuitry; 
 start either an enlargement mode or a reduction mode of the display magnification of the map application in response to the detecting of the predetermined magnification pattern; and 
 switch between the enlargement mode and the reduction mode in response to the detecting of the predetermined magnification pattern. 
 
     
     
       2. The information processing apparatus according to  claim 1 , wherein the circuitry is configured to increase the speed of either scrolling the display region, or changing the display magnification according to an increase of the magnitude of the contacting pressure. 
     
     
       3. The information processing apparatus according to  claim 1 , wherein the circuitry is configured to switch between the enlargement mode of enlarging the display magnification and the reduction mode of reducing the display magnification in response to the detecting of the predetermined pattern. 
     
     
       4. The information processing apparatus according to  claim 1 , wherein the contacted object is a user's finger. 
     
     
       5. The information processing apparatus according to  claim 1 , wherein the circuitry is configured to switch a scrolling direction from one direction to another direction in response to detecting a predetermined scroll pattern formed by the positions of the contacted object detected by the circuitry. 
     
     
       6. The information processing apparatus according to  claim 1 , wherein the circuitry is configured to switch between a scrolling mode and a scaling mode in response to detecting corresponding positions detected by the circuitry. 
     
     
       7. The information processing apparatus according to  claim 1 , wherein, for a single continuous input operation, the circuitry detects a time change of the magnitude of the contacting pressure and change the speed based on the time change of the magnitude of the contacting pressure. 
     
     
       8. The information processing apparatus according to  claim 1 , wherein:
 the circuitry is configured to switch to the enlargement mode of enlarging the display magnification in response to detecting a predetermined enlargement mode magnification pattern and to the reduction mode of reducing the display magnification in response to detecting a predetermined reduction mode magnification pattern. 
 
     
     
       9. An information processing method comprising:
 executing a map application; 
 detecting a magnitude of a contacting pressure of a contacted object with respect to an input device operated when physically contacted by the contacted object; 
 detecting positions pointed by the contacted object with respect to the input device; 
 changing a display region displayed on a display device of the map application to be displayed on the display device by either scrolling the display region, or changing a display magnification of the map application by either enlarging or reducing the display magnification based on the pointed positions; 
 changing, using circuitry, a speed of either scrolling the display region, or changing the display magnification according to the magnitude of the contacting pressure; 
 detecting a predetermined magnification pattern formed by a predetermined movement trajectory comprised of a plurality of continuous different positions of the contacted object detected by the circuitry; 
 starting either an enlargement mode or a reduction mode of the display magnification of the map application in response to the detecting of the predetermined magnification pattern; and 
 switching between the enlargement mode and the reduction mode in response to the detecting of the predetermined magnification pattern. 
 
     
     
       10. A non-transitory computer readable storage medium having instructions stored therein, which when executed by a processor in an information processing apparatus causes the processor to execute a method comprising:
 executing a map application; 
 detecting a magnitude of a contacting pressure of a contacted object with respect to an input device operated when physically contacted by the contacted object; 
 detecting positions pointed by the contacted object with respect to the input device; 
 changing a display region displayed on a display device of the map application to be displayed on the display device by either scrolling the display region, or changing a display magnification of the map application by either enlarging or reducing the display magnification based on the pointed positions; 
 changing a speed of either scrolling the display region, or changing the display magnification according to the magnitude of the contacting pressure; 
 detecting a predetermined magnification pattern formed by a predetermined movement trajectory comprised of a plurality of continuous different positions of the contacted object detected by the circuitry; 
 starting either an enlargement mode or a reduction mode of the display magnification of the map application in response to the detecting of the predetermined magnification pattern; and 
 switching between the enlargement mode and the reduction mode in response to the detecting of the predetermined magnification pattern. 
 
     
     
       11. The information processing apparatus according to  claim 1 , wherein the predetermined movement trajectory includes a trajectory formed by a dragging operation starting at a first position on the input device and ending at a second position on the input device. 
     
     
       12. The information processing apparatus according to  claim 1 , wherein the predetermined movement trajectory includes a single circular trajectory. 
     
     
       13. The information processing method according to  claim 9 , wherein the predetermined movement trajectory includes a trajectory formed by a dragging operation starting at a first position on the input device and ending at a second position on the input device. 
     
     
       14. The information processing method according to  claim 9 , wherein the predetermined movement trajectory includes a single circular trajectory. 
     
     
       15. The non-transitory computer readable storage medium according to  claim 10 , wherein the predetermined movement trajectory includes a trajectory formed by a dragging operation starting at a first position on the input device and ending at a second position on the input device. 
     
     
       16. The non-transitory computer readable storage medium according to  claim 10 , wherein the predetermined movement trajectory includes a single circular trajectory.